How worried would Britons be if World War Three started

Ukraine's prime minister has warned defeat to Moscow could escalate to a global conflict. Ukraine's Prime Minister has also warned defeat could escalate into a global war. How worried are Britons about a Third World War? How do you know how many of them worry about a war?

How would we know if World War Three had started? The latest Todays Big Question,/todays-big-questions, breaking news, comment, reviews and features from the experts at The Week. Follow us on Twitter @dailymailonline.com/The Week.